Hair clipper



FIG. 1 is a top perspective view of the present hair clipper;

FIG. 2 is a front view thereof;

FIG. 3 is a side view of the hair clipper of FIG. 1, both sides being mirror images of each other;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines illustrate portions of the hair clipper that form no part of the claimed design. 

CLAIM I claim the ornamental design for a hair clipper, as shown and described. 